3 Returns include the performance of the predecessor limited partnership for periods
before the Fund’s registration became effective. The predecessor limited partnership
was not registered under the Investment Company Act of 1940 (“1940 Act”) and
therefore was not subject to certain investment restrictions imposed by the 1940 Act.
If the limited partnership had been registered under the 1940 Act, its performance
may have been adversely affected.

Investment Objective

The High Yield Bond Fund seeks to maximize long-term total return consistent with the preservation of capital.

Investment Approach

The Fund pursues its objective by investing, under normal circumstances, at least 80% of its net assets plus borrowings for investment purposes in high yield bonds (commonly called “junk bonds”) which are rated below investment grade or are unrated and determined by the Adviser to be of similar quality. The remainder of the Fund’s net assets may be invested in investment grade securities rated by one of the nationally recognized statistical rating organizations or, if unrated, of comparable quality in the opinion of the Adviser.

Under normal conditions, the portfolio duration is two to eight years and the dollar-weighted average maturity ranges from two to fifteen years. The Fund invests in the U.S. and abroad, including emerging markets, and may purchase securities of varying maturities issued by domestic and foreign corporations and governments. The Adviser will focus- the Fund’s portfolio holdings in areas of the bond market that the Adviser believes to be relatively undervalued.

Derivatives will be used in an effort to hedge investments, for risk management, or to increase income or gains for the Fund. The Fund may also seek to obtain market exposure to the securities in which it invests by entering into a series of purchase and sale contracts or by using other investment techniques such as reverse repurchase agreements.

Performance Returns

as of 01/31/2019 (updated monthly)

Legal Disclosures

The source for all charts and tables above is TCW

About PerformanceThe performance data presented represents past performance and is no guarantee of future results. Total returns include reinvestment of dividends and distributions. Current performance may be lower or higher than the performance data presented. Performance data current to the most recent month end is available on the product detail page for each Fund. Investment returns and principal value will fluctuate with market conditions. The value of an investment in the Fund, when redeemed, may be worth more or less than its original purchase cost.

For MWHYX the total expense ratio is 0.91%, and the net expense ratio is 0.86%. Expenses reflect a contractual agreement by the Adviser to reduce its fees and/or absorb certain expenses to limit the fund’s total annual operating expenses until July 31, 2019, unless terminated earlier by the Board of Trustees. For more information about fees and expenses, please read the prospectus. Performance would have been lower if fees had not been waived in various periods.

For MWHIX the total expense ratio is 0.63%, and the net expense ratio is 0.61%. Expenses reflect a contractual agreement by the Adviser to reduce its fees and/or absorb certain expenses to limit the fund’s total annual operating expenses until July 31, 2019, unless terminated earlier by the Board of Trustees. For more information about fees and expenses, please read the prospectus. Performance would have been lower if fees had not been waived in various periods.

The index listed is not available for direct investment; therefore its performance does not reflect a reduction for fees or expenses incurred in managing a portfolio. The securities in the index may be substantially different from those in the Fund.

Morningstar Rating Disclosure: The Morningstar RatingTM for funds, or “star rating”, is calculated for managed products (including mutual funds, variable annuity and variable life subaccounts, exchange-traded funds, closed-end funds, and separate accounts) with at least a three-year history. Exchange-traded funds and open-ended mutual funds are considered a single population for comparative purposes. It is calculated based on a Morningstar Risk-Adjusted Return measure that accounts for variation in a managed product’s monthly excess performance, placing more emphasis on downward variations and rewarding consistent performance. The top 10% of products in each product category receive 5 stars, the next 22.5% receive 4 stars, the next 35% receive 3 stars, the next 22.5% receive 2 stars, and the bottom 10% receive 1 star. The Overall Morningstar Rating for a managed product is derived from a weighted average of the performance figures associated with its three-, five-, and 10-year (if applicable) Morningstar Rating metrics. The weights are: 100% three-year rating for 36-59 months of total returns, 60% five-year rating/40% three-year rating for 60-119 months of total returns, and 50% 10-year rating/30% five-year rating/20% three-year rating for 120 or more months of total returns. While the 10-year overall star rating formula seems to give the most weight to the 10-year period, the most recent three-year period actually has the greatest impact because it is included in all three rating periods.

The total number of High Yield Bond Funds for the 3-, 5-, and 10-year time periods were 636, 526, and 362, respectively. The MetWest High Yield Bond Fund I Share received a rating of 3 stars for the 3- and 5-year periods, and 5 stars for the 10-year period. The MetWest High Yield Bond Fund M Share received a rating of 3 stars for the 3- and 5-year periods, and 4 stars for the 10-year period. The TCW High Yield Bond Fund I & N Shares received a rating of 5 stars for the 3-year period, 4 stars for the 5-year period, and 3 stars for the 10-year period.

It is important to note that the Fund is not guaranteed by the U.S. Government. Fixed income investments entail interest rate risk, the risk of issuer default, issuer credit risk, and price volatility risk. Funds investing in bonds can lose their value as interest rates rise and an investor can lose principal.

High yield securities may be subject to greater fluctuations in value and risk of loss of income and principal than higher-rated securities.

Mortgage-backed and other asset-backed securities often involve risks that are different from or more acute than risks associated with other types of debt instruments. MBS related to floating rate loans may exhibit greater price volatility than a fixed rate obligation of similar credit quality. With respect to non-agency MBS, there are no direct or indirect government or agency guarantees of payments in pools created by non-governmental issuers. Non-agency MBS are also not subject to the same underwriting requirements for the underlying mortgages that are applicable to those mortgage-related securities that have a government or government-sponsored entity guarantee.

Obtain a Prospectus

You should consider the investment objectives, risks, charges and expenses of a mutual fund carefully before investing. A Fund’s Prospectus and Summary Prospectus contain this and other information about the Fund. To receive a Prospectus, please call 800-241-4671 or you may download the Prospectus. Please read it carefully.

The MetWest Funds are distributed by TCW Funds Distributors LLC.

The MetWest Funds are advised by Metropolitan West Asset Management, LLC, which is a wholly-owned subsidiary of The TCW Group, Inc.

Investment Team

Stephen M. Kane, CFA

Group Managing Director

Mr. Kane is a Generalist Portfolio Manager in the Fixed Income group. He joined TCW in 2009 during the acquisition of Metropolitan West Asset Management LLC (MetWest). At MetWest, Mr. Kane was responsible for leading MetWest’s AlphaTrak, Ultra Short and Liability Driven Investment (LDI) products, and he co-manages many of the firm’s mutual funds. Under his co-leadership, the MetWest investment team was recognized as Morningstar’s Fixed Income Manager of the Year for 2005. Prior to establishing MetWest, he was a fixed income portfolio manager at Hotchkis and Wiley. He also served as a Vice President at PIMCO. Mr. Kane earned a BS in Business from the University of California, Berkeley and an MBA from the University of Chicago Booth School of Business. He is a CFA charterholder.

Laird R. Landmann

Group Managing Director

Mr. Landmann is a Generalist Portfolio Manager in the Fixed Income Group. He joined TCW in 2009 during the acquisition of Metropolitan West Asset Management LLC (MetWest). Mr. Landmann currently serves on the boards of the TCW and Metropolitan West Mutual Funds. Mr. Landmann currently co-manages many of TCW and MetWest’s mutual funds, including the MetWest Total Return Bond Fund, the MetWest High Yield Bond Fund and the TCW Core Fixed Income Fund, and leads the fixed income group’s risk management efforts. He is a leader of the MetWest investment team that was recognized as Morningstar’s Fixed Income Manager of the Year for 2005 and has been nominated for the award eight times. Prior to founding MetWest in 1996, Mr. Landmann was a principal and the co-director of fixed income at Hotchkis and Wiley. He also served as a portfolio manager and vice president at PIMCO. Mr. Landmann holds an AB in Economics from Dartmouth College and an MBA from the University of Chicago Booth School of Business.

Tad Rivelle

Group Managing Director

Tad Rivelle is Chief Investment Officer, Fixed Income, overseeing nearly $160 billion in fixed income assets, including nearly $85 billion of fixed income mutual fund assets under the TCW Funds and MetWest Funds brands. Prior to joining TCW, Tad served as Chief Investment Officer for MetWest, an independent institutional investment manager that he cofounded. The MetWest investment team has been recognized for a number of performance related awards, including Morningstar’s Fixed Income Manager of the Year. Mr. Rivelle was also the co-director of fixed income at Hotchkis & Wiley and a portfolio manager at PIMCO. Tad holds a BS in Physics from Yale University, an MS in Applied Mathematics from University of Southern California, and an MBA from the UCLA Anderson School of Management.

Bryan T. Whalen, CFA

Group Managing Director

Mr. Whalen is a Generalist Portfolio Manager in the Fixed Income group. Mr. Whalen joined TCW in 2009 during the acquisition of Metropolitan West Asset Management LLC (MetWest) as co-head of the Securitized Products division. Prior to joining TCW, Mr. Whalen was a Partner and Co-head of MetWest’s Securitized Products division. Prior to joining MetWest in 2004, he was a Director in the Fixed Income department at Credit Suisse First Boston in New York. Previously, he was a Vice President at Donaldson, Lufkin & Jenrette. Mr. Whalen earned a BA in Economics from Yale University. He is a CFA charterholder.